Function g3_DrawLine

renderer/HardwareDraw.cpp:26–64

draws a line. takes two points. returns true if drew

// draws a line. takes two points.  returns true if drew
void g3_DrawLine(ddgr_color color, g3Point *p0, g3Point *p1) {
  uint8_t codes_or;
  bool was_clipped = 0;

  if (p0->p3_codes & p1->p3_codes)
    return;

  codes_or = p0->p3_codes | p1->p3_codes;

  if (codes_or) {
    ClipLine(&p0, &p1, codes_or);
    was_clipped = 1;
  }

  if (!(p0->p3_flags & PF_PROJECTED)) {
    g3_ProjectPoint(p0);
  }

  if (!(p1->p3_flags & PF_PROJECTED)) {
    g3_ProjectPoint(p1);
  }

  rend_SetFlatColor(color);
  rend_DrawLine(round(p0->p3_sx), round(p0->p3_sy), round(p1->p3_sx), round(p1->p3_sy));

  // If was clipped, free temp points
  if (was_clipped) {
    if (p0->p3_flags & PF_TEMP_POINT) {
      FreeTempPoint(p0);
    }

    if (p1->p3_flags & PF_TEMP_POINT) {
      FreeTempPoint(p1);
    }

    // Make sure all temp points have been freed
    CheckTempPoints();
  }
}

// draws a line based on the current setting of render states. takes two points.  returns true if drew
void g3_DrawSpecialLine(g3Point *p0, g3Point *p1) {